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JPL Small-Body Database Browser
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20917 (5016 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2020917
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077842450631796 3.6832e-08  
a 2.199057539111305 8.8849e-09 au
q 1.9620337824077 8.0303e-08 au
i 4.919910784857342 4.3623e-06 deg
node 14.28800438893515 5.4692e-05 deg
peri 205.8365317559467 6.0678e-05 deg
M 131.1421659245636 2.88e-05 deg
tp 2458166.596485609287
(2018-Feb-17.09648561)		 9.4272e-05 TDB
period 1191.113964600142
3.26		 7.2188e-06
1.976e-08		 d
yr
n .3022380819125502 1.8317e-09 deg/d
Q 2.436081295814911 9.8426e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      21616 days (59.18 yr)  
   first obs. used      1960-09-28  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:47:44  

Additional Information
 Earth MOID = .955811 au 
 Jupiter MOID = 2.53782 au 
 T_jup = 3.654 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO502323  

20917 (5016 P-L)          Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 5016 P-L = 2198 T-2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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